Science news articles about 'ancient soil'

... are biochar, a highly porous charcoal that helps soil retain nutrients and water, and gases and heat ... carbon dioxide from the atmosphere. Soils containing biochar made by ancient Amazon people still ...

Ancient soil-inhabiting creatures decreased in body size by nearly half in response to a period ... vertebrates living during the same period." The soil-dwelling organisms examined by Smith and Hasiotis ...

... Clovis people. The evidence is based on a thin layer of microscopic diamonds found in ancient soil layers that could only have been created by searing heat and pressure transforming carbon on Earth' ...

... our quarter-million-mile journey through the blackness of space to reach the moon. Neil and I walked its dusty ancient soil, becoming the first humans to stand upon another world. ...

... of two-dozen mammal species found in the same ancient soil layer. The fossil-bearing layer, ... same age, it provides a well-focused snapshot of an ancient African ecosystem. The carbon isotope ratios ...

... faunal remains, allowing researchers to reconstruct past ecosystems. The researchers report chemical analyses of ancient soils and mammalian teeth, as well as other faunal data, from the ~2.0-million ...

Fossil land snail shells found in ancient soils on the subtropical eastern Canary Islands show that the Spanish archipelago off the northwest coast of Africa has become ...

Isotopic measurements performed on fossil land snail shells found in ancient soils on the subtropical eastern Canary Islands resulted in oxygen isotope ratios that suggest the Spanish archipelago off ...

... rainfall, and few bushes or trees populated the landscape, according to a new geochemical analysis of rare ancient soils. The geochemical analysis provides new data for the Jurassic period, when very ...